1 files changed, 88 insertions, 0 deletions
diff --git a/js/src/tests/js1_8_1/strict/shell.js b/js/src/tests/js1_8_1/strict/shell.js
new file mode 100644
index 000000000..7469bbf94
--- /dev/null
+++ b/js/src/tests/js1_8_1/strict/shell.js
@@ -0,0 +1,88 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+
+/*
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/licenses/publicdomain/
+ */
+
+
+/*
+ * Return true if both of these return true:
+ * - LENIENT_PRED applied to CODE
+ * - STRICT_PRED applied to CODE with a use strict directive added to the front
+ *
+ * Run STRICT_PRED first, for testing code that affects the global environment
+ * in loose mode, but fails in strict mode.
+ */
+function testLenientAndStrict(code, lenient_pred, strict_pred) {
+  return (strict_pred("'use strict'; " + code) && 
+          lenient_pred(code));
+}
+
+/*
+ * completesNormally(CODE) returns true if evaluating CODE (as eval
+ * code) completes normally (rather than throwing an exception).
+ */
+function completesNormally(code) {
+  try {
+    eval(code);
+    return true;
+  } catch (exception) {
+    return false;
+  }
+}
+
+/*
+ * raisesException(EXCEPTION)(CODE) returns true if evaluating CODE (as eval
+ * code) throws an exception object whose prototype is
+ * EXCEPTION.prototype, and returns false if it throws any other error
+ * or evaluates successfully. For example: raises(TypeError)("0()") ==
+ * true.
+ */
+function raisesException(exception) {
+  return function (code) {
+    try {
+      eval(code);
+      return false;
+    } catch (actual) {
+      return exception.prototype.isPrototypeOf(actual);
+    }
+  };
+};
+
+/*
+ * parsesSuccessfully(CODE) returns true if CODE parses as function
+ * code without an error.
+ */
+function parsesSuccessfully(code) {
+  try {
+    Function(code);
+    return true;
+  } catch (exception) {
+    return false;
+  }
+};
+
+/*
+ * parseRaisesException(EXCEPTION)(CODE) returns true if parsing CODE
+ * as function code raises EXCEPTION.
+ */
+function parseRaisesException(exception) {
+  return function (code) {
+    try {
+      Function(code);
+      return false;
+    } catch (actual) {
+      return exception.prototype.isPrototypeOf(actual);
+    }
+  };
+};
+
+/*
+ * Return the result of applying uneval to VAL, and replacing all runs
+ * of whitespace with a single horizontal space (poor man's
+ * tokenization).
+ */
+function clean_uneval(val) {
+  return uneval(val).replace(/\s+/g, ' ');
+}